/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.ml.tree;

import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import org.apache.ignite.ml.IgniteModel;
import org.apache.ignite.ml.math.primitives.vector.Vector;

/**
 * Base interface for decision tree nodes.
 */
@JsonTypeInfo( use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "type")
@JsonSubTypes({
    @JsonSubTypes.Type(value = DecisionTreeLeafNode.class, name = "leaf"),
    @JsonSubTypes.Type(value = DecisionTreeConditionalNode.class, name = "conditional"),
})
public abstract class DecisionTreeNode implements IgniteModel<Vector, Double> {
    /**
     * Empty constructor for serialization needs.
     */
    protected DecisionTreeNode() {
    }
}
